Small fixes
Small fixes

ethereum/pyethapp,RomanZacharia/pyethapp,gsalgado/pyethapp,RomanZacharia/pyethapp,gsalgado/pyethapp,kustomzone/pyethapp,changwu-tw/pyethapp,changwu-tw/pyethapp,d-das/pyethapp,ethereum/pyethapp,vaporry/pyethapp,heikoheiko/pyethapp